html,
body,
#app{
  margin: 0;
  width: 100%;
  height: 100%;
  font-family: "Helvetica Neue", Arial, sans-serif;
  color: #333;
  display: flex;
  justify-content: space-around;
 
}

textarea,
#app div {
  width: 50%;
  height: 100%;
  vertical-align: top;
  box-sizing: border-box;
  padding: 0 20px;

}
#app div{
  background-image: url("./bbb.jpg");
  background-repeat: no-repeat;
  background-position: 50% 50%;
  background-size:50%;
  background-color: darkgray;
}

textarea {
  border: none;
  border-right: 1px solid #ccc;
  resize: none;
  outline: none;
  font-size: 16px;
  font-family: "Monaco", courier, monospace;
  padding: 20px;
  background-color:gainsboro;
  background-image: url("./aaa.jpg");
  background-repeat: no-repeat;
  background-position: 50% 50%;
  background-size:50%;
}

/* code {
  color: #f66;
} */
